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module operator_overloading_13_module
implicit none
private
public :: operator(.separatedBy.)
interface operator(.separatedBy.)
module function strings_with_separator(sep, strings) result(csv)
implicit none
character(len=*), intent(in) :: sep
character(len=*), dimension(:), intent(in) :: strings
character(len=:), allocatable :: csv
end function
end interface
contains
module function strings_with_separator(sep, strings) result(csv)
implicit none
character(len=*), intent(in) :: sep
character(len=*), dimension(:), intent(in) :: strings
character(len=:), allocatable :: csv
integer :: i
character(len=:), allocatable :: temp
csv = ""
do i = 1, size(strings)
if (i > 1) csv = csv // sep
csv = csv // trim(strings(i))
end do
end function
end module operator_overloading_13_module
program operator_overloading_13
use operator_overloading_13_module, only: operator(.separatedBy.)
implicit none
character(len=:), allocatable :: csv
character(len=*), dimension(3), parameter :: strings = ["abc", "def", "ghi"]
csv = "," .separatedBy. strings
print *, "CSV Result: ", trim(csv)
if (trim(csv) /= "abc,def,ghi") error stop
end program
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